--source include/have_innodb.inc --source include/maybe_debug.inc -- echo # -- echo # MDEV-15563: Instant ROW_FORMAT=REDUNDANT column type change&extension -- echo # # Use character-set-server in test db create or replace database test; use test; set default_storage_engine=innodb; set @save_format= @@GLOBAL.innodb_default_row_format; SET GLOBAL innodb_default_row_format=redundant; set @bigval= repeat('0123456789', 30); delimiter ~~; create or replace procedure check_table(table_name varchar(255)) begin select table_id into @table_id from information_schema.innodb_sys_tables where name = concat('test/', table_name); select name, mtype, hex(prtype) as prtype, len from information_schema.innodb_sys_columns where table_id = @table_id; end~~ delimiter ;~~ --echo # VARCHAR -> CHAR, VARBINARY -> BINARY conversion set @bigval= repeat('0123456789', 20); create or replace table t (a varchar(300)); --error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON alter table t modify a char(255), algorithm=instant; alter table t modify a char(255), algorithm=copy; create or replace table t (a varchar(200)); insert into t values (@bigval); insert into t values ('z'); if ($have_debug) { --disable_query_log # This should not be reachable. set @save_debug= @@SESSION.debug_dbug; set debug_dbug= '+d,ib_instant_error'; --enable_query_log } alter table t modify a char(200), algorithm=instant; select count(a) from t where a = @bigval; select a, length(a) from t where a = 'z'; check table t extended; call check_table('t'); --echo # CHAR enlargement alter table t modify a char(220), algorithm=instant; select count(a) from t where a = @bigval; select a, length(a) from t where a = 'z'; check table t extended; call check_table('t'); --echo # Convert from VARCHAR to a bigger CHAR --error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON alter table t modify a varchar(200), algorithm=instant; alter table t modify a varchar(200), algorithm=copy; alter table t modify a char(255), algorithm=instant; select count(a) from t where a = @bigval; select a, length(a) from t where a = 'z'; select * from t; check table t extended; call check_table('t'); --echo # BINARY/VARBINARY test create or replace table t (a varbinary(300)); --error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON alter table t modify a binary(255), algorithm=instant; alter table t modify a binary(255), algorithm=copy; create or replace table t (a varbinary(200)); insert into t values (@bigval); insert into t values ('z'); alter table t modify a binary(200), algorithm=instant; select count(a) from t where a = @bigval; select length(a) from t where left(a, 1) = 'z'; check table t extended; call check_table('t'); --echo # BINARY enlargement alter table t modify a binary(220), algorithm=instant; check table t extended; call check_table('t'); --echo # Convert from VARBINARY to a bigger BINARY --error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON alter table t modify a varbinary(220), algorithm=instant; alter table t modify a varbinary(220), algorithm=copy; alter table t modify a binary(255), algorithm=instant; select count(a) from t where a = @bigval; select a, length(a) from t where a = 'z'; select * from t; check table t extended; call check_table('t'); --echo # Integer conversions create or replace table t (x tinyint); insert into t values (127); alter table t modify x smallint, algorithm=instant; select * from t; check table t extended; call check_table('t'); update t set x= 32767; alter table t modify x mediumint, algorithm=instant; select * from t; check table t extended; call check_table('t'); update t set x= 8388607; alter table t modify x int, algorithm=instant; select * from t; check table t extended; call check_table('t'); update t set x= 2147483647; alter table t modify x bigint, algorithm=instant; select * from t; check table t extended; call check_table('t'); if ($have_debug) { --disable_query_log # This should not be reachable. set debug_dbug= @save_debug; --enable_query_log } --echo # Check IMPORT TABLESPACE --let $MYSQLD_DATADIR= `select @@datadir` create or replace table t2 (x int); alter table t2 discard tablespace; create or replace table t1 (x tinyint); insert into t1 set x= 42; alter table t1 modify x int; flush tables t1 for export; --move_file $MYSQLD_DATADIR/test/t1.cfg $MYSQLD_DATADIR/test/t2.cfg --copy_file $MYSQLD_DATADIR/test/t1.ibd $MYSQLD_DATADIR/test/t2.ibd unlock tables; alter table t2 import tablespace; select * from t2; check table t2 extended; call check_table('t2'); --echo # Check innobase_col_to_mysql() len < flen create or replace table t1 (x mediumint); insert into t1 values (1); insert into t1 values (1); alter table t1 add column y int first, modify x int, algorithm instant; --error ER_DUP_ENTRY alter table t1 add column z int first, add primary key (x); --echo # Check assertion in wrong instant operation create or replace table t1 (a varchar(26) not null) default character set utf8mb4; alter table t1 modify a varchar(25) not null; --echo # Check row_mysql_store_col_in_innobase_format() create or replace table t1(x int primary key, a varchar(20)); insert into t1 (x) values (1); update t1 set a= 'foo' where x = 2; --echo # --echo # MDEV-18124 PK on inplace-enlarged type fails --echo # create or replace table t1 (x int, y int); insert into t1 (x, y) values (11, 22); alter table t1 modify x bigint, algorithm instant; alter table t1 add primary key (x), algorithm inplace; check table t1; create or replace table t1 (a varchar(10), y int); insert into t1 (a, y) values ("0123456789", 33); alter table t1 modify a char(15), algorithm instant; alter table t1 add primary key (a), algorithm inplace; check table t1; create or replace table t1 (x int primary key, y int); insert into t1 (x, y) values (44, 55); alter table t1 modify x bigint, algorithm inplace; check table t1; create or replace table t1 (x int primary key, y int); insert into t1 values (66, 77); alter table t1 add column z int, algorithm instant; alter table t1 drop column y, algorithm instant; create or replace table t1 (x integer, a varchar(20)); alter table t1 add index idx3 (a); insert into t1 (x, a) values (73, 'a'); alter table t1 modify a char(20); create or replace database test charset latin1; SET GLOBAL innodb_default_row_format=@save_format;